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Re: Dipping Headlights

I guess the rarity of explains why no questions about dipping reflectors. The merit is that lamps remain sharp focussed on both settings, very desirable with weak bulbs. Pencil beams were OK on basic narrow roads whereas now need light everywhere to find the far distant edges, lane markings, built out curb edges just in front of car etc.

The reflector dippers can tax skills. There is a heavy current operating solenoid with a low current holding winding. If maladjusted the reflectors vibrate between positions drawing so much current the lamps go dim. With wiring and rubber stops perished a liability.

But to return to the topic. If a dip switch is reckoned capable of the current no need for a relay, avoiding another non standard device, electrical complication, and wasted current. Generous gauge wiring needs to be extended from each filament to the switch, wherever it might be placed. A generous earth wire from the lamps also desirable.

However a relay suits use of the existing switch or switch position with thin wires to.

Location: Auckland, NZ